LT1054MJ8

Voltage Regulators - DC DC Switching Regulators Overview

The LT1054MJ8 is a monolithic, bipolar switched-capacitor voltage converter and regulator manufactured by Analog Devices Inc. It operates within an input voltage range of 3.5V to 15V and delivers an output current of 100mA. The device features an adaptive switch driver scheme that optimizes efficiency across wide output current ranges, with total voltage loss typically at 1.1V at 100mA. It includes internal reference and error amplifier circuitry for regulation, allowing output adjustment via external resistive dividers. The unit supports external shutdown and oscillator synchronization, operating at a nominal frequency of 25kHz.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated reference and error amplifier enables precise voltage regulation against input and load variations
• Adaptive switch driver scheme maintains high efficiency across varying output current loads
• Supports external shutdown control and oscillator synchronization for system integration flexibility

Voltage Regulators - DC DC Switching Regulators Applications

• Basic voltage inverter and regulator circuits
• Negative voltage doubler configurations
• Digitally programmable negative power supplies
• 3.5V to 5V regulated power conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MJ8' against official Analog Devices documentation to confirm military-grade qualification and package details. Ensure compatibility with existing PCB footprints and thermal requirements. Cross-reference ordering information with authorized distributors to confirm availability and authenticity. Validate RoHS compliance status for the specific manufacturing batch prior to procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when regulation capability is required from a switched-capacitor topology. The LT1054 series offers higher output current and lower voltage drop compared to legacy converters like the LTC1044 or ICL7660. Consider the 8-pin SOIC or DIP packages based on assembly constraints. Verify that the 25kHz switching frequency aligns with electromagnetic interference requirements of the target application.

Voltage Regulators - DC DC Switching Regulators Part Context

The LT1054 belongs to a family of monolithic bipolar switched-capacitor voltage converters and regulators. It is pin-compatible with previous generations such as the LTC1044 and ICL7660, facilitating direct upgrades. The device integrates charge pump functionality with regulation features not previously available in similar converters, offering improved performance over earlier designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LT1054IS8

Voltage Regulators - DC DC Switching Regulators FAQ

How does the LT1054 achieve regulation?

The device includes an internal reference and error amplifier. By adding an external resistive divider to the feedback pin, a regulated output can be obtained that adjusts against changes in both input voltage and output current.

What is the typical voltage loss at full load?

The total voltage loss is typically 1.1V at an output current of 100mA. This performance holds true across the full supply voltage range of 3.5V to 15V.